2021 WAEC MAY/JUNE AGRICULTURAL Sc. Questions & Answers: 2020 WAEC MAY/JUNE AGRICULTURAL Sc. ANSWERS Night before Exam

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Wednesday 19th August 2020
Agricultural Science 2( Essay) – 2:00pm – 4:10pm
Agricultural science 2( Objective) – 4:10pm – 5:00pm

 

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(1ai)
(i)construction of new feeder roads to open up the rural areas
(ii)construction of waterways to link up the riverine area

(1aii)
(i)Flooding should be avoided
(ii)soil erosion should be properly checked

(1aiii)
(i)The government should subsidise the cost of farm input
(ii)Farm input should be supplied at the right time to farmers

(1b)
(i) Do not overwork draught animals.
(ii) Keep them in a healthy. environment.
(iii) Feed and provide them with adequate water.

(1c)
(i) To increase durability.
(ii) To increase efficiency.
(iii) Reduce the costs of replacement.
(iv) For the safety of the user/avoid accidents.
(v) Avoid damage to the tool.

 


2021 WAEC MAY/JUNE AGRICULTURAL Sc. Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC MAY/JUNE AGRICULTURAL Sc. Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
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(2ai)
Soil texture is a classification instrument used both in the field and laboratory to determine soil classes based on their physical texture.

(2aii)
Soil structure describes the arrangement of the solid parts of the soil and the pore space located between them.

(2aiii)
A soil profile is a vertical section of soil like the diagram above. It allows you to examine the structure of the soil. A soil profile is divided into layers called horizons

(2bi)
(i)Grafting is the fastest way of growing popular, desirable varieties of fruiting trees & flowering shrubs on a large scale. (ii)Buy fruiting tree seeds online. Many commercially valuable plants are difficult to grow by other propagation methods like cutting & layering, but they respond well to grafting.
(iii)Scions are highly precious varieties, but they usually have a poor rooting system, less vigour & weak defence against pathogens.

(2bii)
(i)Mango
(ii)Guava

(2c)
(i)water
(ii)crop selection
(iii)temperature


(2d)
(i)Storage in airtight bins helps to maintain insect free grains.
(ii)Before storing grains the godowns (storehouses) should be disinfected. Following methods of disinfestations of storerooms are recommended
(iii)Threshing yard should be situated more than a mile away from the granaries to reduce the chance of pest reaching to granaries through migration.
(iv)For bag storage of grains “pucca” cement concrete or brick made storehouses are recommended.

 


2021 WAEC MAY/JUNE AGRICULTURAL Sc. Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
=======


(3ai)
Method of propagation:
Sexually (by seeds) and vegetative propagation

(3aii)
Spacing in the field:
The field is spaced at 7.0m × 7.0m

(3aiii)
(i)The seedlings are now replanted at 60cm × 60cm spacing
(ii)it is planted around April and May


(3aiv)
(Choose Any Two)
(i) Thrips
(ii) Red mites
(iii) Aphids
(iv) Fruit borers
(v) Caterpillars

(3av)
(choose Any two)
(i) Gummosis
(ii) Citrus scab
(iii) Tristeza

(3bi)
Surface irrigation: It is the system in which the rived or dem overflow its banks to flood the whole area

(3bii)
Surface drainage is the removal of excess water from the surface of the farmland using constructed open ditches, field drains and lateral ditches

(3ci)
(i) Water use efficiency is high
(ii) It ensures low evaporation losses from the soil
(iii) It is cheap to practice

(3cii)
(i) It is easy to construct
(ii) It prevents stagnant water
(iii) It is cheaper than subsurface

 


2021 WAEC MAY/JUNE AGRICULTURAL Sc. Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
======

(5a)
In a tabular form 

DISEASES: 
Brucellosis: 
(i) Bacteria
(ii) Cattle, sheep, goat
(iii) Fever, loss of appetite
(iv) Proper vaccination

Aspergillosis:
(v) Fungi
(vi) Dog, pig
(vii) Cough, fever 
(viii) Proper vaccination or isolation of affected animals 

(5b)
(i) It helps to improve the hygiene of the chickens
(ii) It also helps to reduce the incidence of friction. 
(iii) It helps to reduce excess exercises thereby leading to better production.
(iv) It leads to lost cost.
(v) It does not require the problem of letters.

(5c)
(i) It leads to a higher incidence of foot lesions.
(ii) It leads to a high incidence of metabolic disorder.
(iii) Lack of dust bathing opportunities. 
(iv) Lack of behavioural opportunities.
(v) It may lead to a high risk of diseases.


2021 WAEC MAY/JUNE AGRICULTURAL Sc. Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
======

 

(6ai)
The balance sheet as at 31st December.

Tabulate:
Loan payable to cooperation 250,000 | Closing valuation 600,000
Debit payable to feed Miller's 100,000 | Cash in bank 250,000
Capital outlay 600,000 | Debit received from egg seller 100,000
=950,000                    | =950,000

(6aii)
(i) To know the financial position of the farm business
(ii) To reveal the assets and liabilities of the farm business




(6b)
(i) Commercial Bank
(ii) Government Agricultural Grant.
(iii) Personal savings
(iv) Agricultural credit scheme
(v) Agricultural cooperative societies

(6c)
(i) Wood shavings are durable
(ii) Wood shavings do not cake up easily
(iii) It does not harbour bacteria like that of sawdust

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QUESTIONS AND ANSWERS FOR 2021 WAEC MAY/JUNE AGRICULTURAL Sc. ANSWERS


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Updated At: April 17th 2021, (05:04:24)

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